Ham and Cheese Pinwheels

Ingredients (5)

• 2 sheets frozen puff pastry thawed overnight in the refrigerator
• 3 tablespoons Dijon mustard divided
• 12 slices thinly-sliced, good-quality deli ham about 10 ounces
• 2 cups freshly grated gruyere Swiss, fontina, sharp cheddar, or similar melty cheese (about 5 ounces)
• Chopped fresh parsley thyme, or chives (optional, for serving)